Gabriel Diallo and Chun Hsin Tseng will fight against each other in the 1^st round of the Tiriac Open for the 1^st time in their career. They are scheduled to play on Tuesday at 4:00 pm on COURT 1. Here the head to head stats and relative prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Chun Hsin Tseng who should win in 3 sets.

As per the initial odds, Chun Hsin Tseng is the pick to win this match.
Chun Hsin Tseng -> 1.63
Gabriel Diallo -> 2.28

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Prediction and head to head Gabriel Diallo vs. Chun Hsin Tseng

There is no head to head record between Gabriel Diallo and Chun Hsin Tseng since this will be the first time that they will square off in the main tour.

Gabriel Diallo

11 - 9win/loss

Hard

10-8

I Hard

1-1

Rank
81

High
81

WLWLWLWLWL

See allSTATS

Year	Total	Hard	Clay	I.hard	Grass	Carpet
2025	12-9	10-8	1-0	1-1	0-0	0-0
2024	49-26	30-12	7-6	9-4	3-4	0-0
2023	39-28	8-11	2-2	24-10	5-5	0-0
2022	23-10	17-6	0-0	6-4	0-0	0-0
2021	12-4	8-3	0-0	4-1	0-0	0-0

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Ranked no. 81 (career-high), Gabriel will start his run in Bucharest after he played his last match in Miami where he lost 6-4 2-3 ret. to Fils in the 2^nd round on the 22^nd of March.

Diallo has an overall 11-9 win-loss record in 2025, 0-0 on clay (See FULL STATS).

This will be the first match of the season on clay.

Talking about his overall career, The Canadian has an overall 144-85 record. He has a positive 9-8 record on clay.

Previously in Bucharest

Diallo has never competed in this tournament before.

Bucharest

Diallo's Record

Chun Hsin Tseng

10 - 10win/loss

Hard

5-5

I Hard

0-1

Clay

5-4

Rank
101

High
83

LLWLWWWLWL

See allSTATS

Year	Total	Hard	Clay	I.hard	Grass	Carpet
2025	10-11	5-5	5-5	0-1	0-0	0-0
2024	47-32	11-13	33-15	3-4	0-0	0-0
2023	21-25	9-8	12-15	0-1	0-1	0-0
2022	39-27	11-12	28-11	0-3	0-1	0-0
2021	39-25	9-8	30-15	0-2	0-0	0-0

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Ranked no. 101, Hsin will start his run in Bucharest after he played his last match in the Naples Challenger where he lost 6-3 7-5 to Svrcina in the 2^nd round on the 26^th of March.

Hsin has a composed 10-10 win-loss record in 2025, 5-4 on clay (See FULL STATS).

In terms of his career, The Chinese has an overall 247-175 record. He has a positive 125-77 record on clay.

Bucharest

Hsin's Record

Tennis Scores in Bucharest

Mariano NavoneNavone – Laslo DjereDjere (6-1 4-6 6-2) – Stats, scores, rankings
Filip Cristian JianuFilip – Nishesh BasavareddyNishesh (6-3 6-4) – See score progression

Upcoming matches in the draw

Dusan LajovicLajovic – Christopher O ConnellO Connell (0-0) – H2H and prediction
Botic Van De ZandschulpVan De Zandschulp – Richard GasquetGasquet (2-0) – H2H and prediction
Fabian MarozsanMarozsan – Damir DzumhurDzumhur (1-0) – H2H and prediction
Bu YunchaoketeYunchaokete – Roberto Bautista AgutBautista Agut (0-0) – H2H and prediction
Gabriel DialloDiallo – Chun Hsin TsengHsin Tseng (0-0) – H2H and prediction